[    1.410401] ip (260) used greatest stack depth: 12280 bytes left
[    1.759627] ip (294) used greatest stack depth: 12248 bytes left
[   10.150588] mpls_gso: MPLS GSO support
[  724.772257] blackhole_netdev_xmit(): Dropping skb.
[  724.772370] blackhole_netdev_xmit(): Dropping skb.
[  724.772419] blackhole_netdev_xmit(): Dropping skb.
[  724.772465] blackhole_netdev_xmit(): Dropping skb.
[ 1111.700621] blackhole_netdev_xmit(): Dropping skb.
[ 1111.700702] blackhole_netdev_xmit(): Dropping skb.
[ 1111.700758] blackhole_netdev_xmit(): Dropping skb.
[ 1111.700803] blackhole_netdev_xmit(): Dropping skb.